Our MacBook Pro kits have everything you need to replace your own battery, upgrade your RAM, or swap in a SSD. Plus, we've got a step-by-step repair guide for every kit. MacBook Pro 13' Retina (Function Keys, Late 2016-2017) Battery. This MacBook Pro 15' Retina (Mid 2015) replacement battery fix kit includes all the parts, tools, and adhesive you need to bring your dead laptop back to life! 100% factory tested. Tested and guaranteed to have no cycles on the cell and to have a capacity greater than 8320 mAh. I bought a MacBook Pro 13' Mid 2012 in 2015. Till mid 2018 I used MacOs and my battery and backup lasted for around 6-7 hours on normal use. Then, I started using Windows 10 Pro (no dual boot, only windows) and it's been more than a year till now. Windows 10 runs smooth and I have no problem with it but what concerns me a lot is the battery life.

In this article, we'll look at common problems and 5 fixes for these MacBook and MacBook Pro battery problems.

Why is my Mac battery draining so fast?

There can be a number of reasons. For example, different browsers consume different amounts of battery power.

In some cases, a recent upgrade to a new macOS can be the cause and therefore a temporary problem. It either stops doing this in its own time, or a new macOS patch/upgrade is sent through and once downloaded the problem goes away. It is known to happen around the time of new releases and is an issue many Mac owners anticipate.

However, in other cases, the issue is less widespread and more localized. We cover five of the most common problems and fixes for Mac users, in particular MacBook owners who have suffered from a fast draining battery.

5 solutions for Mac battery problems

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1. Check and change Battery Settings

In the top menu, where the battery appears, it’s always useful to switch usage to a statistics setting, so that you can clearly see how fast it's draining.

If you click on the battery, it will show which apps are using the most amount of power.

1. From here, click on Open Energy Saver Preferences
2. Within this you’ve got the option to put the hard disks to sleep and dim the display when a Mac is not connected to power.

2. Switch on Energy Saver

Always useful when trying to conserve battery power on any device, and it could be a lifesaver if you happen to be out without a power cord or plug.

1. From the  Apple menu;
2. Go to System Preferences > Energy Saver
3. Now click on the Battery tab
4. A slider should be on this screen: Switch Power Nap off, while sliding the scale along to ensure the screen goes dark after a reasonable amount of time when not being used, which should reduce battery drainage.

3. Find out what is using energy

When investigating a fast draining battery, it’s always useful to know what is using energy in the first place. To find out, follow these steps:

1. Go to Applications;
2. Click on Utilities > Activity Monitor;
3. Activity Monitor will show what is taking up CPU and GPU;
4. Giving you the ability to close anything that is clearly taking up too much battery power.

4. Identify background apps

Behind the scenes, most Macs can run dozens of apps without us realizing it. Some of these could be running because we forgot about them. Others open during the startup sequence. And others, without us knowing it, could be malware or ransomware, or other viruses, either designed to steal data or steal processing power to mine cryptocurrency or even run remote DDoS attacks.

Now, clearly that sort of thing isn’t ideal and you won’t want apps running that drain power, steal data, or that use your Mac for something you aren't even aware. To solve these potential battery draining problems, we recommend taking the following steps:

1. Download CleanMyMac X (for free, here)
2. Click on Uninstaller
3. It will run a scan of every app on your system: Either click to rest or safely uninstall everything you don't need or aren't aware of.

Also, click the Optimization tab in CleanMyMac. You’ll find the tool called Launch Agents.

It displays tiny background applications otherwise non visible to a user. This very often gets exploited by advertising scripts — a sure way to drain your battery power.

As you can see, these items can be easily switched off using the Disable button.

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5. Adjust screen brightness

The brightest lightbulbs consume more energy, same is true for your screen's lighting. In your Preferences, look up Displays settings and do a couple of tune-ups there. Make sure to tick 'Automatically adjust brightness' checkbox.

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6. Clean up your Mac

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Macs battery benefits from various forms of cleaning. Why? Because the cluttered hard drive uses more CPU resources. The more strain on CPU, the more it affects and eventually wears off your battery. There are dozens of pretty good tools to remove hidden junk from Mac but my personal favorite is CleanMyMac X. It's so enjoyable to use even for such a trivial operation as deleting junk files.

1. Download CleanMyMac X — here 's a link to a free edition
2. Click on the System Junk tab

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As you can see, I was able to remove 18.9 GB worth of useless files: caches, broken downloads, localizations, etc.

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Sit back and know that with a tidy Mac, with it free from all of the clutter of years of use — and a monitoring system in place to look after it — your battery should be operating at optimum levels again.